GJ.660, with minor staining (Image)

GJ.667, 90c. with green overprint, VF (Image)

GJ.720a, with variety: Overprint at top (Image)

GJ.857/62, cmpl. set with watermark, including 50c. with straight rays wmk, all MNH (Image)

GJ.863/66, cmpl. set (4 values), excellent quality (Image)

GJ.865, with VARIETY: Broken wing (Image)

GJ.1239, Postman Day, imperforate PROOF in brown and black printed on normal paper, MNH, VF! (Image)

GJ.1242, UPAEP, imperforate PROOF in orange color printed on normal paper, MNH, VF! (Image)

GJ.1429a, with DOUBLE IMPRESSION (clearly seen in the printer imprint), along normal example for comparison, rare! (Image)

GJ.1430, block of 4 + single with Casa de Moneda wmk (Image)

GJ.1/3, cmpl. set overprinted "Arc - en - Ciel", the high value with VARIETY: blurred overprint, with crease else excellent! (Image)